EXHAUST GAS PURIFICATION SYSTEM FOR DIESEL MOTORS

An exhaust gas cleaning system for diesel motors made out of two diesel exhaust catalytic converters, arranged in sequence one behind the other, in the form of honeycomb bodies with parallel flow channels, whose wall surfaces are provided with a catalytically active coating. The first upstream catal...

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Bibliographische Detailangaben
Hauptverfasser:	KREUZER THOMAS, RIED THOMAS, LEYRER JURGEN, LOX EGBERT, KLEIN HARALD
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An exhaust gas cleaning system for diesel motors made out of two diesel exhaust catalytic converters, arranged in sequence one behind the other, in the form of honeycomb bodies with parallel flow channels, whose wall surfaces are provided with a catalytically active coating. The first upstream catalytic converter possesses a cell density of less than 40 to 80 flow channels per cross-sectional square centimeter, while the cell density of the second catalytic converter situated downstream is larger than that of the first catalytic converter. Through this arrangement, it is possible to select a high cell density that, without connection in line with the low cell density catalytic converter would very quickly lead to a clogging by diesel particles.